Flash Cards: 99 Questions and Answers Science and Technology Flash Cards

450.00

Description

When does a laptop use zero power? When was the first digital robot made? This little box is packed with 99 interesting questions along with their answers related to science and Technology. An exciting way to encourage the inquisitive young mind to learn with plenty of guessing and fun.

From the Publisher

Bindass

A1These flashcards provide a range of information on several topics. They are useful in gaining new information, sharpening existing knowledge, and offer plenty of learning with a healthy dose of entertainment.

AThese flashcards provide a range of information on several topics. They are useful in gaining new information, sharpening existing knowledge, and offer plenty of learning with a healthy dose of entertainment.

A1A Visual Delight

A1A1A1A1How does a vacuum cleaner work?

A vacuum cleaner has a motor, fan and dust bag inside it. When you turn the vacuum cleaner on, the motor helps rotate the fan. This creates a low pressure behind the fan and a partial vacuum is created. The vacuum cleaner begins to suck in air through the suction nozzle at the end of a pipe. Now, the dust
gets pulled into the pipe
and is collected in a bag.

What makes glue stick things?

Glue is made from a fluid that changes to a solid state when it is dry. Most of the things that can be glued together have tiny ridges and bumps on their surface. When you apply glue to such a surface, it fills in all the ridges and bumps. Once the glue dries, it works like a strong bond grabbing hold of the two surfaces to keep it together.

Why does mint gum make my mouth feel cold?

The secret is menthol! Mint gum contains menthol that binds with cold-sensitive receptors in your skin. These receptors have some channels called TRPM8. The menthol makes these receptors very sensitive and gives you a cold sensation. The sensation is colder if you drink water just after having a mint gum!

What is the World Wide Web?

The World Wide Web (‘www’ or ‘web’) is a collection of web pages found on the internet. Sir Tim Berners-Lee invented it in 1989 so that scientists could easily share data. Later, the ‘www’ opened the internet to everyone. Rest, as we all know, is history!

Publisher‏:‎Bindass 
Language‏:‎English
Card Book‏:‎51 pages
Reading age‏:‎6 – 8 years
Item Weight‏:‎330 g
Dimensions‏:‎20.3 x 25.4 x 4.7 cm
Country of Origin‏:‎India
Packer‏:‎Bindass
Generic Name‏:‎Cards

Additional information

Weight 0.4 kg
Dimensions 3 × 23 × 15 cm

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Good quality.The product is firmly packed.Good service.Very well worth the money.Very fast delivery.